does trim() php only remove white space code example

Example 1: how to trim white space array in php

$fruit = array('  apple ','banana   ', ' , ',     '            cranberry ');
$trimmed_array = array_map('trim', $fruit);
print_r($trimmed_array);

Example 2: remove whitespace from string php

$str = "\n\n\nHello World!\n\n\n";
echo "With trim: " . trim($str);